4820-01-379-9220

Find complete technical information, availability, and procurement data for: 4820-01-379-9220
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-379-9220

Item Name Code

20962

Assigment Date

09/10/1993 (32 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

outside screw-yoke bonnet type, manual valve operation method, bolted bonnet attachment method, 6 all ends bolt hole quantity, round with holes all ends flange shape

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 6 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.000 inches
Maximum Operating Pressure: 700.0 pounds per square inch single response
Nominal Outside Diameter: 4.250 inches all ends
Face To Face Distance: 9.459 inches
Nominal Thickness: 0.750 inches all ends
Bolt Hole Nominal Diameter: 0.625 inches all ends
Bolt Circle Nominal Diameter: 3.125 inches all ends
Flange Face Design: plain all ends
Material: plastic polytetrafluoroethylene seat
Material: steel comp 316 body
Material: steel comp 316 flow control device
Material: steel comp 316 stem
Style Designator: straight thru flanged ends

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
803-5001003-S541	Ball Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-379-9220?

The FSCG of the NSN 4820-01-379-9220 is 4820

Does the NSN 4820-01-379-9220 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-379-9220 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-379-9220 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-379-9220 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-01-379-9220 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Sep 10, 1993